Why isnt Instagram showing up?
Just go to:
Settings → Linked Accounts → Social Platforms
And you will see Twitch, YouTube, Discord, Twitter and Reddit but not instagram.
I have even seen some people with instagram linked but cant find how they did it.
https://fortnitetracker.com/profile/all/Falcon%20TaySon%207/events
https://fortnitetracker.com/profile/all/Rеet/events